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Goodwill and Other Intangible Assets - Changes in Carrying Value of Goodwill by Reportable Segment (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020 | Sep. 30, 2019
Goodwill [Roll Forward] |  |  |
Balance, December 31, 2019 |  | $ 1,260,100,000 |
Currency & other impacts |  | 5,300,000 |
Impairment Charge | $ 0 | (66,800,000) | $ (64,000,000.0)
Balance, September 30, 2020 | 1,198,600,000 | 1,198,600,000 |
Reportable segments | Americas |  |  |
Goodwill [Roll Forward] |  |  |
Balance, December 31, 2019 |  | 535,600,000 |
Currency & other impacts |  | (1,300,000) |
Balance, September 30, 2020 | 534,300,000 | 534,300,000 |
Reportable segments | Southern Europe |  |  |
Goodwill [Roll Forward] |  |  |
Balance, December 31, 2019 |  | 144,800,000 |
Currency & other impacts |  | 5,100,000 |
Balance, September 30, 2020 | 149,900,000 | 149,900,000 |
Reportable segments | Northern Europe |  |  |
Goodwill [Roll Forward] |  |  |
Balance, December 31, 2019 |  | 374,600,000 |
Currency & other impacts |  | 1,300,000 |
Impairment Charge |  | (66,800,000) |
Balance, September 30, 2020 | 309,100,000 | 309,100,000 |
Reportable segments | APME |  |  |
Goodwill [Roll Forward] |  |  |
Balance, December 31, 2019 |  | 79,100,000 |
Currency & other impacts |  | 200,000 |
Balance, September 30, 2020 | 79,300,000 | 79,300,000 |
Corporate |  |  |
Goodwill [Roll Forward] |  |  |
Balance, December 31, 2019 |  | 126,000,000.0 |
Balance, September 30, 2020 | $ 126,000,000.0 | $ 126,000,000.0 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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